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361.
Is visual representation of an object affected by whether surrounding objects are identical to it, different from it, or absent? To address this question, we tested perceptual priming, visual short-term, and long-term memory for objects presented in isolation or with other objects. Experiment 1 used a priming procedure, where the prime display contained a single face, four identical faces, or four different faces. Subjects identified the gender of a subsequent probe face that either matched or mismatched with one of the prime faces. Priming was stronger when the prime was four identical faces than when it was a single face or four different faces. Experiments 2 and 3 asked subjects to encode four different objects presented on four displays. Holding memory load constant, visual memory was better when each of the four displays contained four duplicates of a single object, than when each display contained a single object. These results suggest that an object's perceptual and memory representations are enhanced when presented with identical objects, revealing redundancy effects in visual processing. 相似文献
362.
We examined gender adaptation effects for the faces of children and adults and measured the transfer of these effects across age categories. Face gender adaptation is defined by a bias to classify the gender of a gender-neutral face to be opposite to that of an adapting face. An androgynous face, for example, appears male following adaptation to a female face. Participants adapted to male or female faces from the two age categories and classified the gender of morphed adult and child faces from a male–female morph trajectory. Gender adaptation effects were found for children's and adults’ faces and for the transfer between the age categories. The size of these effects was comparable when participants adapted to adult faces and identified the gender of either adult or child faces, and when participants adapted to child faces and identified the gender of child faces. A smaller adaptation effect was found when participants adapted to a child's face but identified the gender of an adult's face. The results indicate an interconnected and partially shared representation of the gender information for child and adult faces. The lack of symmetry in adaptation transfer between child and adult faces suggests that adaptation to adult faces is more effective than adaptation to child faces in activating a gender representation that generalizes across age categories. 相似文献
363.
The claim that face perception is mediated by a specialized “face module” that proceeds automatically, independently of attention (e.g., Kanwisher, 2000) can be reconciled with load theory claims that visual perception has limited capacity (e.g., Lavie, 1995) by hypothesizing that face perception has face-specific capacity limits. We tested this hypothesis by comparing the effects of face and nonface perceptual load on distractor face processing. Participants searched a central array of either faces or letter strings for a pop star versus politician's face or name and made speeded classification responses. Perceptual load was varied through the relevant search set size. Response competition effects from a category-congruent or -incongruent peripheral distractor face were eliminated with more than two faces in the face search task, but were unaffected by perceptual load in the name search task. These results support the hypothesis that face perception has face-specific capacity limits and resolve apparent discrepancies in previous research. 相似文献
364.
Psychological research has consistently demonstrated that individuals are better at discriminating faces of their own race when compared with faces of another, less familiar race. Given the racial/ethnic diversity of individuals screened by security personnel at transportation and border checkpoints, it is important to understand whether the cross-race effect may play a role in simultaneous perceptual discrimination tasks that mimic such screening operations. Three experiments assessed the deleterious effects of cross-racial identification in this context. Results demonstrated greater discrimination accuracy for own- versus other-race faces, and a propensity for screeners to be overconfident in their decisions, particularly for other-race persons. Further, perceived age differences between the target and his identification photo and the use of a disguise were found to moderate cross-race effects during this task. 相似文献
365.
Antje Nuthmann 《Visual cognition》2013,21(7):803-837
The current study investigated from how large a region around their current point of gaze viewers can take in information when searching for objects in real-world scenes. Visual span size was estimated using the gaze-contingent moving window paradigm. Experiment 1 featured window radii measuring 1, 3, 4, 4.7, 5.4, and 6.1°. Experiment 2 featured six window radii measuring between 5 and 10°. Each scene occupied a 24.8 × 18.6° field of view. Inside the moving window, the scene was presented in high resolution. Outside the window, the scene image was low-pass filtered to impede the parsing of the scene into constituent objects. Visual span was defined as the window size at which object search times became indistinguishable from search times in the no-window control condition; this occurred with windows measuring 8° and larger. Notably, as long as central vision was fully available (window radii ≥ 5°), the distance traversed by the eyes through the scene to the search target was comparable to baseline performance. However, to move their eyes to the target, viewers made shorter saccades, requiring more fixations to cover the same image space, and thus more time. Moreover, a gaze-data based decomposition of search time revealed disruptions in specific subprocesses of search. In addition, nonlinear mixed models analyses demonstrated reliable individual differences in visual span size and parameters of the search time function. 相似文献
366.
Abundant research suggests that the study of lay theories helps to explain intergroup relations. Building on this work as well as “interactionist” theories for understanding social behaviour from developmental and social psychology, we propose an integrative social-developmental perspective examining how lay perceivers' characteristics (e.g., age, race, psychological motivations) interact with the environments in which they are nested to impact lay theory use over time and during life transitions. Using this perspective to guide our investigation of the Protestant work ethic (PWE) and colourblind theory, we show that a single lay theory can have a socially tolerant or intolerant meaning. We review work with US children and adults (Asians, Blacks, Latinos, Whites) as well as research with Colombian children and adults (Mestizos), showing similarities and differences in perceivers' uses of PWE and the colourblind theory. Even when both meanings are prevalent in a given culture, they are not necessarily equally emphasised in all environments or for all people living in those environments, nor are they responded to in the same way by all people. We discuss the implications of these results for theorising on lay theories and offer directions for future work in this area. 相似文献
367.
Previous research has demonstrated that factors such as reinforcer frequency, amount, and delay have similar effects on resistance to change and preference. In the present study, 4 boys with autism made choices between a constant reinforcer (one that was the same food item every trial) and a varied food reinforcer (one that varied randomly between three possible food items). For all 4 boys, varied reinforcers were preferred over constant reinforcers, and they maintained higher response rates than constant reinforcers. In addition, when a distraction (a video clip) was introduced, responding maintained by varied reinforcers was more resistant to distraction than responding maintained by constant reinforcers. Thus, the present experiment extended the generality of the relation between preference and resistance to change to variation in reinforcer quality. 相似文献
368.
Research on perception and cognition suggests that whereas East Asians view the world holistically, attending to the entire field and relations among objects, Westerners view the world analytically, focusing on the attributes of salient objects. These propositions were examined in the change-blindness paradigm. Research in that paradigm finds American participants to be more sensitive to changes in focal objects than to changes in the periphery or context. We anticipated that this would be less true for East Asians and that they would be more sensitive to context changes than would Americans. We presented participants with still photos and with animated vignettes having changes in focal object information and contextual information. Compared to Americans, East Asians were more sensitive to contextual changes than to focal object changes. These results suggest that there can be cultural variation in what may seem to be basic perceptual processes. 相似文献
369.
GUDRUN BODIN 《The International journal of psycho-analysis》2004,85(5):1191-1208
When Freud founded the International Psychoanalytical Association (IPA), he wanted a network of local groups responsible for psychoanalytic training. The groups would function as ‘headquarters whose business it would be to declare: All this nonsense is nothing to do with analysis; this is not psychoanalysis. Today, with psychoanalytic pluralism, Tuckett (in press) has asked ‘Does anything go? He has pointed out that the psychoanalytic community has been increasingly willing to accept within its ranks apparently very varied approaches to theory and practice, and that this increasing diversity has many negative consequences for psychoanalytic institutions and especially for training schemas. The aim of this paper is to give an example of psychoanalysis that ‘did not go’, and how that led to a shaky start for the new Danish Psychoanalytical Society, with confusing boundary relations between psychoanalysis and psychotherapy and no training institute. Beginning with the written psychoanalytical contribution of the three founders of the Danish Society, the paper will try to identify factors that contributed to the ‘shaky start’. The paper will also examine how stones were removed from the path, thus paving the way for the members of the Society to discover ‘competent psychoanalysis’. 相似文献
370.
Takehiro Fujihara Takaya Kohyama J. Manuel Andreu J. Martin Ramirez 《Aggressive behavior》1999,25(3):185-195
Six hundred and thirty‐two university students of both sexes—242 Japanese (137 males and 105 females), 190 Spanish (71 males and 119 females), and 200 American (100 males and 100 females)—completed a questionnaire that examined their attitudes toward various kinds of aggression directed at other people in different situations that ranged from self‐defense to a method of overcoming communication problems. Factor analysis revealed three factors: physical aggression (killing, torture, and hitting), direct verbal aggression (shouting and rage), and indirect verbal aggression (being ironic and hindering). The basic factor structure of the Japanese, the Spanish, and the USA samples was similar. In all samples, men showed a higher justification of physical aggressive acts in any situation and of indirect verbal aggression in nondefensive circumstances. Cultural differences were found in the degree of justification of the three factors: in all kinds of situations, Japanese students showed a lower justification of indirect verbal aggression but a higher justification of direct verbal aggression than USA and Spain samples. Physical aggression in defensive situations is justified more by Americans than by Japanese and Spanish students. These findings suggest the existence of a common basic moral code about physical aggressive acts, but there seems to be a cultural influence on moral codes concerning verbal aggressive acts. Oriental cultures, with an interdependent construal of self, seem to be more permissive of direct verbal aggression compared with Western cultures, but they have less tolerance for indirect verbal aggression. There were practically no significant differences between American and Spanish scores. Aggr. Behav. 25:185–195, 1999. © 1999 Wiley‐Liss, Inc. 相似文献